Continue to Site

Eng-Tips is the largest engineering community on the Internet

Intelligent Work Forums for Engineering Professionals

Congratulations cowski on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!

Fuel Characteristic Constant of Trichloronsilane (TCS) for Venting EQ?

Thread starter designsimple
Start date Feb 13, 2010

Status: Not open for further replies.

Feb 13, 2010

designsimple

Structural

I use 0.14 as the fuel characteristic constant in the venting equation of NFPA 68 to calculate the explosion relief area for trichloronsilane (TCS, flammable gas). Is it proper? Should I use 0.17 (maximum) for it? I'm design a HPM room and have a very limited exterior surface area I can use for the relief area. I already have a touch situation now to get enough opening area to meet the relief area even if I use 0.14 for the fuel characteristic constant. But I have a cloud in my mind whether 0.14 or 0.17 should be used for the constant to calculate the relief area. I greatly appreciate that someone may can answer this.

Thanks,